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== Summary ==
== Summary ==
Matahari is a collection of generically useful APIs accessible over a remote and local interfaces via a collection of Agents, and a framework for adding small set of Agents & APIs. Matahari is a Red Hat community project.
Matahari is a collection of APIs accessible over remote and local interfaces for system monitoring and management.  Matahari APIs are served via a collection of agents.  Matahari also includes a framework for adding new agents and APIs.  
 
Matahari is a Red Hat community project.


== Owner ==
== Owner ==
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== Current status ==
== Current status ==
* Targeted release: [[Releases/16 | Fedora 16 ]]  
* Targeted release: [[Releases/16 | Fedora 16 ]]  
* Last updated: 2011-07-07
* Last updated: 2011-07-26
* Percentage of completion: 25%
* Percentage of completion: 100%


== Detailed Description ==
== Detailed Description ==
The plan is to ship stable and easily deployable Matahari for Fedora users.
The initial set of implemented agents in the Fedora 16 timeframe is:
* '''''Host''''' - An agent for viewing and controlling hosts
** View basic host information such as OS, hostname, CPU, RAM, load average, and more.
** Host control (shutdown, reboot)
* '''''Networking''''' - An agent for viewing and controlling network devices
** Get a list of available network interfaces and information about them, such as IP and MAC addresses
** Start and stop network interfaces
* '''''Services''''' - An agent for viewing and controlling system services
** List configured services
** Start and stop services
** Monitor the status of services
* More agents will come soon (Logging, Generic configuration agent, and more)


The minimal set of implemented agents in Fedora 16 timeframe is:
Matahari supports access to its APIs over two different transports, QMF and D-Bus.  QMF provides remote access over a Qpid bus.  D-Bus is used as a standard and well known local system bus.
* Host agent (including host informations and Power Management capability via tuned)
* Networking agent
* Services agent
* more agents will come soon (Logging, Generic configuration agent, etc.)


With two different transport layers - powerful QMF bus for remote access and DBus as a standard and well known local systems bus.  
The plan is to ship a stable and easily deployable version Matahari for Fedora users. The aim of this feature is to make Fedora the prominent consumer and showcase of Matahari, for both users/administrators and developers.  
 
The aim of this feature is to make Fedora prominent consumer and showcase of Matahari - for both users/admins and developers.  


Upstream website: [http://matahariproject.org/ http://matahariproject.org/]
Upstream website: [http://matahariproject.org/ http://matahariproject.org/]


== Benefit to Fedora ==
== Benefit to Fedora ==
* easy deployment of Fedora to clouds and cluster environments
* Provides easy deployment of Fedora to cloud and clustered environments
* local and remote management of Fedora systems
* Allows for local and remote management of Fedora systems
* well defined interfaces to Fedora system for admins (scripiting, maintanance) and for 3rd party Matahari client developers
* Provides well defined interfaces to a Fedora system for administrators (scripiting, maintanance) and for 3rd party Matahari client developers
* Fedora as a development platform for Matahari upstream
* Allows the upstream Matahari project to use Fedora as a development platform
* the core for future system configuration tools (replacement of s-c-*)
* Provides the core for future system configuration tools (replacement of s-c-*)


== Scope ==
== Scope ==
Currently Matahari scope is isolated as we're now working mostly on the bottom layer - agents/interfaces side.  
The scope of Matahari is limited in that we are now mostly working on the bottom layer, which is the agents side as opposed to implementing applications that use these APIs.


== How To Test ==
== How To Test ==
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</ol>


More detailed informations How To Test Matahari can be found in [https://github.com/matahari/matahari/wiki/TestPlan the Matahari Test Plan]. We are interested in a general community testing of currently available agents and core Matahari - for both local (DBus) and remote sides (QMF). We do not offer any special instruction for testing, just try to use Matahari for your tasks and report possible issues/enhancements.
How To Test Matahari can be found in [https://github.com/matahari/matahari/wiki/TestPlan the Matahari Test Plan]. We are interested in a general community testing of currently available agents and core Matahari for both local (DBus) and remote sides (QMF). Just try to use Matahari for your needs and report possible issues or requests for enhancements.


== User Experience ==
== User Experience ==
<!-- If this feature is noticeable by its target audience, how will their experiences change as a result?  Describe what they will see or notice. -->
Users can access well defined interfaces for system configuration and management over D-bus and QMF to manage their systems locally and remotely using Matahari agents. Matahari also allows developers to create more agents to make the system more powerful and to develop system configuration tools on top of this core Matahari technology.  


== Dependencies ==
== Dependencies ==
The dependencies are Qpid with QMFv2 (Qpid Management Framework).
* Qpid with QMFv2 (Qpid Management Framework)
* D-bus
* Sigar library
* Optional matahari-broker requires Qpid broker daemon.


== Contingency Plan ==
== Contingency Plan ==
As no packages in Fedora currently depends on Matahari we will continue with the development efforts in Rawhide.   
No packages in Fedora currently depend on Matahari, so we will continue with development efforts in Rawhide.   


== Documentation ==
== Documentation ==
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== Release Notes ==
== Release Notes ==
<!-- The Fedora Release Notes inform end-users about what is new in the release.  Examples of past release notes are here: http://docs.fedoraproject.org/release-notes/ -->
Fedora 16 features Matahari, a collection of APIs accessible over remote and local interfaces for system monitoring and managementMatahari APIs are served via a collection of AgentsMatahari also includes a framework for adding new Agents and APIs.
<!-- The release notes also help users know how to deal with platform changes such as ABIs/APIs, configuration or data file formats, or upgrade concernsIf there are any such changes involved in this feature, indicate them hereYou can also link to upstream documentation if it satisfies this need.  This information forms the basis of the release notes edited by the documentation team and shipped with the release. -->
 
*
The available agents are:
* '''''Host''''' - An agent for viewing and controlling hosts
* '''''Networking''''' - An agent for viewing and controlling network devices
* '''''Services''''' - An agent for viewing and controlling system services
 
… TBD …


== Comments and Discussion ==
== Comments and Discussion ==
* See [[Talk:Features/YourFeatureName]] <!-- This adds a link to the "discussion" tab associated with your page.  This provides the ability to have ongoing comments or conversation without bogging down the main feature page -->
* See [[Talk:Features/Matahari]]  
 


[[Category:FeaturePageIncomplete]]
[[Category:FeatureAcceptedF16]]
<!-- When your feature page is completed and ready for review -->
<!-- remove Category:FeaturePageIncomplete and change it to Category:FeatureReadyForWrangler -->
<!-- After review, the feature wrangler will move your page to Category:FeatureReadyForFesco... if it still needs more work it will move back to Category:FeaturePageIncomplete-->
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Latest revision as of 15:20, 25 August 2011

Matahari

Summary

Matahari is a collection of APIs accessible over remote and local interfaces for system monitoring and management. Matahari APIs are served via a collection of agents. Matahari also includes a framework for adding new agents and APIs.

Matahari is a Red Hat community project.

Owner

  • Email: jreznik@redhat.com, andrew@beekhof.net and matahari@lists.fedorahosted.org

Current status

  • Targeted release: Fedora 16
  • Last updated: 2011-07-26
  • Percentage of completion: 100%

Detailed Description

The initial set of implemented agents in the Fedora 16 timeframe is:

  • Host - An agent for viewing and controlling hosts
    • View basic host information such as OS, hostname, CPU, RAM, load average, and more.
    • Host control (shutdown, reboot)
  • Networking - An agent for viewing and controlling network devices
    • Get a list of available network interfaces and information about them, such as IP and MAC addresses
    • Start and stop network interfaces
  • Services - An agent for viewing and controlling system services
    • List configured services
    • Start and stop services
    • Monitor the status of services
  • More agents will come soon (Logging, Generic configuration agent, and more)

Matahari supports access to its APIs over two different transports, QMF and D-Bus. QMF provides remote access over a Qpid bus. D-Bus is used as a standard and well known local system bus.

The plan is to ship a stable and easily deployable version Matahari for Fedora users. The aim of this feature is to make Fedora the prominent consumer and showcase of Matahari, for both users/administrators and developers.

Upstream website: http://matahariproject.org/

Benefit to Fedora

  • Provides easy deployment of Fedora to cloud and clustered environments
  • Allows for local and remote management of Fedora systems
  • Provides well defined interfaces to a Fedora system for administrators (scripiting, maintanance) and for 3rd party Matahari client developers
  • Allows the upstream Matahari project to use Fedora as a development platform
  • Provides the core for future system configuration tools (replacement of s-c-*)

Scope

The scope of Matahari is limited in that we are now mostly working on the bottom layer, which is the agents side as opposed to implementing applications that use these APIs.

How To Test

  1. Install Matahari agent
    # yum install matahari\*
    
  2. Start Matahari broker
    # systemctl start matahari-broker.service
    
  3. Start Matahari agent
    # systemctl start matahari-<agent>.service
    
  4. Test D-Bus interface
    For example get hostname from the Host agent
    $ dbus-send --system --dest=org.matahariproject.Host --print-reply /org/matahariproject/Host org.freedesktop.DBus.Properties.Get string:org.matahariproject.Host string:hostname
    

    Result should contain your hostname

    method return sender=:1.73 -> dest=:1.85 reply_serial=2
       variant       string "localhost.localdomain"
    
  5. Test QMF interface
    $ qmf-tool localhost:49000
    qmf: list agents
    
    QMF Agents:
       Id  Vendor               Product  Instance                              Epoch
    ==================================================================================
    *  1   apache.org           qpidd    971e8d8b-38f8-45ad-9ccf-f82ea85e3ed7  4
       2   matahariproject.org  host     d0175049-b186-41a7-a10b-11589107c20a  4
       3   matahariproject.org  net      97e02c72-8ac4-4fd5-901b-77574af3d45c  2
       4   matahariproject.org  service  bbf07d98-be32-4046-bf7b-c1d162b0611d  2
    

    To verify the agents actually work we'll do some interactions with one.

    qmf: set default 2
    
    Default Agent: matahariproject.org:host:d0175049-b186-41a7-a10b-11589107c20a
    
    qmf: query Host org.matahariproject
    
    Data Objects Returned: 1:
        Number  Data Address
        ==============================================
        1       26205118-e589-44ca-969d-d79b8ae40b2a
        qmf: show 1
    Properties:
    Name                Value
    =====================================================
    load                {'1': 0.1, '5': 0.22, '15': 0.23}
    hostname            localhost.localdomain
    ...
    

    You should see properties with correct values for your system.

How To Test Matahari can be found in the Matahari Test Plan. We are interested in a general community testing of currently available agents and core Matahari for both local (DBus) and remote sides (QMF). Just try to use Matahari for your needs and report possible issues or requests for enhancements.

User Experience

Users can access well defined interfaces for system configuration and management over D-bus and QMF to manage their systems locally and remotely using Matahari agents. Matahari also allows developers to create more agents to make the system more powerful and to develop system configuration tools on top of this core Matahari technology.

Dependencies

  • Qpid with QMFv2 (Qpid Management Framework)
  • D-bus
  • Sigar library
  • Optional matahari-broker requires Qpid broker daemon.

Contingency Plan

No packages in Fedora currently depend on Matahari, so we will continue with development efforts in Rawhide.

Documentation

Release Notes

Fedora 16 features Matahari, a collection of APIs accessible over remote and local interfaces for system monitoring and management. Matahari APIs are served via a collection of Agents. Matahari also includes a framework for adding new Agents and APIs.

The available agents are:

  • Host - An agent for viewing and controlling hosts
  • Networking - An agent for viewing and controlling network devices
  • Services - An agent for viewing and controlling system services

… TBD …

Comments and Discussion